Navin Ramankutty on Muck Rack

Navin Ramankutty

Vancouver
As seen in: CNN, Nature, PLOS Biology, The Conversation, The Globe and Mail, Phys.org, Science Magazine, Business Standard, The Astronomical Journal, Japan Today and
Sustainable agriculture, land use, climate change, food security. Like to dabble. Professor @ UBC.
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Articles

Biodiversity–production feedback effects lead to intensification traps in agricultural landscapes - Nature Ecology & Evolution

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By Alfred Burian, Claire Kremen, Lucas Alejandro Garibaldi, Navin Ramankutty
| Nature
Abstract Intensive agriculture with high reliance on pesticides and fertilizers constitutes a major strategy for ‘feeding the world’. However, such conventional intensification is linked to diminishing returns and can result in ‘intensification traps’—production declines triggered by the negative feedback of biodiversity loss at high input levels. Here we developed a novel framework that accounts for biodiversity feedback on crop yields to evaluate the risk and magnitude of intensification traps.
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Both technological innovations and cultural change are key to a sustainability transition

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By Navin Ramankutty
| PLOS Biology
We are said to be living in the Anthropocene, a time when human activities are having as great an impact on the Earth system as other geological forces. According to the “Planetary Boundaries” framework, which uses the past 10,000 years (the Holocene) as a benchmark, human influence on the Earth system has greatly exceeded the “safe operating space” across multiple indicators, including climate change, biodiversity loss, and nutrient pollution [1].
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Key role of planted and harvested area fluctuations in US crop production shocks - Nature Sustainability

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By Jessica A. Gephart, Toshichika Iizumi, Navin Ramankutty, Dongyang Wei
| Nature
Abstract Food production stability against climate variability and extremes is crucial for food security and is influenced by variations in planted area, harvested area and yield. Yet research has focused on yield responses to climate fluctuations, ignoring how planted area and harvestable fraction (that is, the ratio of planted area to harvested area) affect production stability.
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